4R55E tq converter have a drain plug?


Shotokan1509

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Need to replace the pan gasket on my 4R55E due to leaks, figured I should do a full trans fluid flush but some say there is a drain and others say there is not on the tq converter for my truck. What's the correct answer?
 


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mjonesjr

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Muscleford

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So basically you use the transmission to pump itself clean.
How do you get the trans to pump itself clean? Run it with the pan off and let it fall into a pan?? Somehow that doesn't sound like the right thing to do.

Thanks

George
 

mjonesjr

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How do you get the trans to pump itself clean? Run it with the pan off and let it fall into a pan?? Somehow that doesn't sound like the right thing to do.

Thanks

George
Did you read the PDF link I posted above? I would assume you haven't since you don't know how it works. Please read the link posted above to answer your question.
 

Muscleford

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Did you read the PDF link I posted above? I would assume you haven't since you don't know how it works. Please read the link posted above to answer your question.
Sorry I didn't see the link in your previous post.

Thanks good info.

George
 

Josh B

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Did you read the PDF link I posted above? I would assume you haven't since you don't know how it works. Please read the link posted above to answer your question.
that link don't work
 

Craig0320

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Break it right the first time. Fix it better the next time.
I disconnect the trans outlet cooler hose from the radiator and connect some clear hose to it. With the hose ran into a bucket I crank and run the vehicle for 10 seconds then shut it off. Refill with fluid and repeat the process until bright red fluid comes out. I have done this many many times with good results.
 

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I've recently become the owner of a somewhat unhappy 4R55E, and been reading a lot of old catchup (I wonder if that wriggly line would disappear if I spelled it ketchup)(it did) threads.
There are a lot of old threads having links with no destination, but I think this was the first one where the OP had scolded someone for not having clicked it ;)
 

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Unless it's got contaminated or burned oil, there's really no reason to do a complete flush is there?
 

Craig0320

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Unless it's got contaminated or burned oil, there's really no reason to do a complete flush is there?
You answered your question on this one.
 

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Transmission fluid is red.
 

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